Garmin Gladiator TR-1 Manuale d'uso - Pagina 16

Sfoglia online o scarica il pdf Manuale d'uso per Attrezzatura marina Garmin Gladiator TR-1. Garmin Gladiator TR-1 36. Garmin tr-1 marine autopilot: user guide
Anche per Garmin Gladiator TR-1: Manuale d'installazione e d'uso (4 pagine), Manuale d'uso (13 pagine)

Stampa la pagina

The GPS steering functions are not guaranteed to work with all GPS systems. Each

manufacturer of GPS equipment puts his own spin on how to assemble the data on the

NMEA data bus. Sometimes the data on the bus will not conform to the needs of the

autopilot. The autopilot expects to see, at least, the NMEA data sentences $GPRMB and

$GPRMC at 4800 baud. These sentences are the minimum recommended data to be

transmitted when there is an active way point. Some GPS systems do not conform to this

NMEA specification.

Almost all GPS systems truncate the crosstrack error data to 0.01 NM resolution, this

means that the autopilot cannot be expected to stay on track any closer than 60 to 120 feet

from the course line.

There is a large discrepancy between manufacturers in how they warn the user when the

navigation fix is compromised. Some systems alert the NMEA bus listener immediately

upon position fix loss but wait 30 seconds to a minute to warn the operator on the GPS

display. This is disconcerting to the user because his autopilot drops out (The autopilot

stops using the GPS steering command immediately upon receiving a warning from the

navigator.) of GPS steering and there is often no indication on the GPS display that

anything is wrong with the GPS. Some manufacturers wait a 30 seconds to alert the user

via the display and the devices on the NMEA data bus when the position fix is broken.

The worst performance in all the GPS units we have tested occurs when a satellite is

occluded by the horizon; we have seen steering errors on the order of several hundred

feet in these situations.

The autopilot cannot fix steering errors that are GPS generated. Keep an eye on where

you are going when you couple the GPS to the autopilot.

When the autopilot is taking steering commands from the GPS, the GPS LED will be lit

solid. If the autopilot detects a GPS problem it will blink this LED and sound the

warning horn. Press any button to extinguish the blinking LED, and cancel the warning

horn.

North must be set in order for any of the GPS fishing patterns to work correctly.

if any GPS steering or radar overlay functions are going to be used.

Verify NMEA Connections:

the Autopilot in [Standby], press and release [Setup] button on the handheld. Press and light up the number 4 and the

number 8 LED's [Code 48]. If the [up arrow] LED lights when you hold down the [GPS]/ [Select Load] button, the

autopilot does not acknowledge the validity of the GPS data.

To set North:

To run a GPS course requires that the autopilot compass is in agreement with the GPS's magnetic map. You need to set

North with the pilot in standby mode.

If you have a GPS connected to the autopilot and $GPRMC is valid and correctly formatted > Set North by running in

STBY with code 48 selected, run your boat at planning speed, at any constant heading - press and hold the GPS [Select

Load] button, and then press and release the [Deckmount]. Your pilot will power down after North is set.

GPS Steering Patterns

Verify that the NMEA connections for the GPS are functioning. Turn on the GPS. With

It also needs to be done